justintwitter3.jpg

The 16-year-old teen heartthrob was named artist of the year at the 38th annual American Music Awards tonight at the Nokia Theatre in Los Angeles...

Justin Bieber beat out Eminem, Ke$ha, Lady Gaga and Katy Perry for the for the award show's top honor. Congrats!

Bieber won for every category in which he was nominated, including breakthrough artist, favorite male pop artist and favorite pop-rock album for My World 2.0.

Eminem won favorite male rap/hip-hop artist and best rap/hip-hop album for Recovery. Usher won R&B/soul award for Raymond v. Raymond and Carrie Underwood took home top country music album for Play On. Rihanna was named favorite female R&B/soul artist.

Taylor Swift was named favorite female country artist - her album Speak Now will be up for awards next year - and Brad Paisley was the favorite male country artist. Shakira was named favorite Latin music artist and the Black Eyed Peas nabbed best pop/rock band.

Check out the complete list of winners below the cut!